\Header{chem}{Copper in Wholemeal Flour}
\keyword{datasets}{chem}
\begin{Description}\relax
A numeric vector of 24 determinations of copper in wholemeal
flour, in parts per million.\end{Description}
\begin{Usage}
\begin{verbatim}
data(chem)
\end{verbatim}
\end{Usage}
\begin{Source}\relax
Analytical Methods Committee (1989) Robust statistics -- how not to
reject outliers.
\emph{The Analyst}
\bold{114}, 1693--1702, 1989\end{Source}
\begin{References}\relax
Venables, W. N. and Ripley, B. D. (2002)
\emph{Modern Applied Statistics with S.} Fourth edition.  Springer.\end{References}

